Home / 75,940.10-104,842.15-52,101.80

Finding the Fourth Proportional to 75,940.10, 104,842.15 and 52,101.80

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Solution

The fourth proportional to 75,940.10, 104,842.15 and 52,101.80 is: 71,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,940.10 : 104,842.15 = 52,101.80 : x
  2. Step 2: Convert to fraction form
    75,940.10/104,842.15 = 52,101.80/x
  3. Step 3: Cross multiply
    75,940.10x = 104,842.15 × 52,101.80
  4. Step 4: Simplify right side
    75,940.10x = 5,462,464,469.56
  5. Step 5: Solve for x
    x = 5,462,464,469.56/75,940.10
  6. Step 6: Final answer
    x = 71,931.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.